* GT: IMAX 15/70mm 2D film projector. * GT3D: IMAX 15/70mm 3D film projector, dual rotor. * SR: IMAX 15/70mm 3D film projector[c], small rotor. * GT Dome: IMAX 15/70mm 2D dome film projector. * SR Dome: IMAX 15/70mm 2D dome film projector, small rotor. *GT Laser: Dual projector system capable of up to 1.43:1 aspect ratio. * CoLa: Single projector, limited to 1.90:1 aspect ratio. * XT: Single projector, limited to 1.90:1 aspect ratio. * Dome Laser: Single projector. Used in dome theatres.